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Steel Blue

#218CCF

A balanced, moderate steel blue — sophisticated balance of hue and saturation that conveys composure and subtle refinement, well-suited to modern, minimalist design.

Psychology

Blue is the world's most-preferred color across age, gender, and culture. It lowers heart rate, conveys stability and trust, and reads as professional almost regardless of context.

Meaning

Trust, authority, and depth — which is why it anchors finance, healthcare, government, and big-tech logos. Lighter blues feel airy and aspirational; navy and midnight feel established.

Applications

Foundational for SaaS, fintech, and enterprise interfaces. Mix with warm accents to avoid the corporate-blue trap of looking like every competitor.

Conversion

HEX
218CCF
RGB
33, 140, 207
HSL
203, 73%, 47%
HSB
203, 84%, 81%
CMYK
84, 32, 0, 19
LAB
55, -12, -44
LCH
55, 45, 255
OKLCH
0.61, 0.14, 243
XYZ
21, 24, 62
LUV
55, -33, -65
HWB
203, 13%, 19%
Pantone
311 C

Harmonies

Analogous
Complementary
Split Complementary
Triadic
Tetradic
Square

Shades & tints

Similar named colors

Browse every named blue on shades of blue, or all families on colors.